Passage means for hydraulic unit

Details Passage means for hydraulic unit Passage means for hydraulic unit

1984-07-11

1986-03-11

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

92162R, 1375135, 303 6C, B60T 826, B60T 1134

Patent

active

045748349

ABSTRACT:
Passage means is provided for a hydraulic unit, in particular, a hydraulic unit including a plunger slidably fitted in a housing, a chamber formed with the housing and having a wall surface against which the plunger may abut, and a flow path opening into the surface which may be abutted by the plunger for communication with the chamber. The passage means is effective to maintain a communication between the chamber and the flow path. In accordance with the invention, a cap, which is separate from the plunger, is formed with a communication path and is fitted over the plunger to maintain a communication between the chamber and the flow path therethrough.

REFERENCES:
patent: 2056249 (1936-10-01), Bystricky
patent: 3430613 (1969-03-01), Barnes
patent: 3709563 (1973-01-01), Shellhause
patent: 3977731 (1976-08-01), Kasahara
patent: 4070644 (1978-01-01), Shellhause
patent: 4415001 (1983-11-01), Kent
patent: 4475339 (1984-10-01), Inoue
patent: 4481969 (1984-11-01), Fallon et al.

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